<template>
  <div>
    <div class="user-info-head" @click="editCropper()"><img :src="options.img" title="点击上传头像" class="img-circle img-lg" alt=""></div>
    <el-dialog :title="title" v-model="open" width="800px" append-to-body @opened="modalOpened" @close="closeDialog">
      <el-row>
        <el-col :xs="24" :md="12" :style="{height: '350px'}">
          <vue-cropper
            v-if="visible"
            ref="cropper"
            :img="options.img"
            :info="true"
            :auto-crop="options.autoCrop"
            :auto-crop-width="options.autoCropWidth"
            :auto-crop-height="options.autoCropHeight"
            :fixed-box="options.fixedBox"
            @real-time="realTime"
          />
        </el-col>
        <el-col :xs="24" :md="12" :style="{height: '350px'}">
          <div class="avatar-upload-preview">
            <img :src="previews.url" :style="previews.img" alt="">
          </div>
        </el-col>
      </el-row>
      <br>
      <el-row>
        <el-col :lg="2" :md="2">
          <el-upload action="#" :http-request="requestUpload" :show-file-list="false" :before-upload="beforeUpload">
            <el-button size="small">
              选择
              <el-icon class="el-icon--right">
                <upload />
              </el-icon>
            </el-button>
          </el-upload>
        </el-col>
        <el-col :lg="{span: 1, offset: 2}" :md="2">
          <el-button size="small" @click="changeScale(1)">
            <template #icon>
              <plus />
            </template>
          </el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button size="small" @click="changeScale(-1)">
            <template #icon>
              <minus />
            </template>
          </el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button size="small" @click="rotateLeft()">
            <template #icon>
              <refresh-left />
            </template>
          </el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button size="small" @click="rotateRight()">
            <template #icon>
              <refresh-right />
            </template>
          </el-button>
        </el-col>
        <el-col :lg="{span: 2, offset: 6}" :md="2">
          <el-button type="primary" size="small" @click="uploadImg()">提 交</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script setup>
import store from '@/store/index.js'
import { VueCropper } from 'vue-cropper'
import 'vue-cropper/dist/index.css'
import { Minus, Plus, RefreshLeft, RefreshRight, Upload } from '@element-plus/icons-vue'

const props = defineProps({
  user: {
    type: Object,
    default: () => ({})
  },
  uploadPath: {
    type: String,
    default: ''
  }
})

const cropper = useTemplateRef('cropper')
const open = ref(false)
const visible = ref(false)
const title = ref('修改头像')
const options = reactive({
  img: store.user.userInfo.avatar, // 裁剪图片的地址
  autoCrop: true, // 是否默认生成截图框
  autoCropWidth: 200, // 默认生成截图框宽度
  autoCropHeight: 200, // 默认生成截图框高度
  fixedBox: true // 固定截图框大小 不允许改变
})
const previews = reactive({})


const editCropper = () => {
  open.value = true
}

const modalOpened = () => {
  visible.value = true
}

const requestUpload = () => {
}

const rotateLeft = () => {
  cropper.value.rotateLeft()
}
const rotateRight = () => {
  cropper.value.rotateRight()
}
const changeScale = (num) => {
  num = num || 1
  cropper.value.changeScale(num)
}
const beforeUpload = (file) => {
  if (file.type.indexOf('image/') === -1) {
    $xl.modal.msgError('文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。')
  } else {
    const reader = new FileReader()
    reader.readAsDataURL(file)
    reader.onload = () => {
      options.img = reader.result
    }
  }
}
const uploadImg = () => {
  cropper.value.getCropBlob(async data => {
    const retUrl = await $xl.oss.upload(data, props.uploadPath)
    if (retUrl) {
      $xl.apis.updateAdminUserAvatar({
        params: {
          avatar: retUrl
        }
      }).then(res => {
        // 上传成功后更新用户信息
        store.user.userInfo.avatar = retUrl
        $xl.modal.msgSuccess('修改成功')
        open.value = false
      }).catch(err => $xl.modal.msgError(err))
    }
  })
}
const realTime = (data) => {
  previews.url = data.url
  previews.img = data.img
}
const closeDialog = () => {
  options.img = store.user.userInfo.avatar
  visible.value = false
}


</script>


<style scoped lang="scss">
.user-info-head {
  position: relative;
  display: inline-block;
  height: 120px;
}

.user-info-head:hover:after {
  content: '+';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  color: #eee;
  background: rgba(0, 0, 0, 0.5);
  font-size: 24px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: pointer;
  line-height: 110px;
  border-radius: 50%;
}
</style>
